Correcting Two-Sample z and t Tests for Correlation: An alternative to One-Sample Tests on Difference Scores
In order to circumvent the influence of correlation in paired-samples [...]
Inheritance of Properties of Normal and Non-Normal Distributions After Transformation of Scores to Ranks
This study investigated how population parameters representing heterogeneity of variance, [...]
Hazards in choosing between pooled and separate-variances t Tests
If the variances of two treatment groups are heterogeneous and, [...]
Inflaction of type I error rates by unequal variances associated with parametric, nonparametric, and rank-transformation tests
It is well known that the two-sample Student t test [...]
Bias in Estimation and Hypothesis Testing of Correlation
This study examined bias in the sample correlation coefficient, r, [...]